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galina1969 [7]
2 years ago
12

Hey can someone please help me in this question? ​

Mathematics
1 answer:
salantis [7]2 years ago
5 0

Answer:

£48

Step-by-step explanation:

Area of walls = area of four rectangular walls + area of two triangular shape at front and back

Area of a rectangular wall = l *w = 8 * 4 = 32 m²

Area of 4 rectangular walls = 4 *32 = 128 m²

Triangle:

Base = 6m

height = h = 7 - 4 = 3 m

Area of triangle = (1/2)*b*h

                          = \dfrac{1}{2}*6*3 = 3*3 = 9 \ m^{2}

Area of 2 triangles = 2*9 = 18 m²

Area of four walls = 128 + 18 = 146 m²

Number of paint tins required = 146 ÷ 25 = 5.84 = 6

6 tins are required.

Cost of 6 tins = 8 * 6 = £48

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Need help ASAP !!!<br><br><br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B18%20%5Ctimes%2018%20%5Ctimes%204%7D%20" id="TexFor
VashaNatasha [74]

Answer:

36

Step-by-step explanation:

The first step to solving this equation is multiplying. Multiply the numbers on the inside of the square root.

18 × 18 × 4 = 1296

Now, you are going to find the square root of 1296.

\sqrt{1296} = 36

You now have your final answer.

I hope this makes sense and is easy to understand. Please let me know if you need any more help. Have a great day! :]

3 0
3 years ago
Read 2 more answers
A tangent contains at most how many chords?
AleksandrR [38]
A tangent contains no chords
6 0
3 years ago
What are the answers to these four questions
Diano4ka-milaya [45]
Number 5 is 3.8
number 6 is yes, she will bc if you multiply 14,2 by 8, it will be less than 88.3
number 7 is about .11
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8 0
3 years ago
In the circle below, suppose m WXU<br> 216° and m XWV= 137º. Find the following.
sladkih [1.3K]

Answer:

incompleted question

Step-by-step explanation:

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8 0
2 years ago
Evaluate (18)^2-(15)^2<br> Please show working.
dexar [7]

Answer:

99

Step-by-step explanation:

You can solve it by Squaring/multiply 18 by itself and 15 by itself then subtract them both:

(18 × 18) - (15 × 15)

324 - 225

99

You could also do difference of two squares:

(x² - y²)

= (x + y) (x - y)

= (18 + 15) (18 - 15)

= (33) (3)

= 99

8 0
2 years ago
Read 2 more answers
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